2. As You Come In… Answer the following question after watching the video: How are dielectrics useful in electronics? Video obtained from: https://www.youtube.com/watch?v=rkntp3_cZl4

3. Dielectrics Two electrons in a sample of Plexiglas exert an electrical force on one another due to each others’ electric fields. If the dielectric constant of Plexiglas is 3.40, how far away from one another would they be such that the electric field they experience is 50.0 N/C?

4. Dielectrics Two -2.0 μC charges contained within a pane of glass affect one another via an electric field. When they are 15 mm apart, the electric fields they exert on one another is measured to be 1.07 × 10 7 N/C. What is the dielectric constant of the glass?

5. Dielectrics An electric field with a field intensity of 120,000 V/m traveling through air encounters a barrier made of water. When it passes through the water, the field intensity is reduced to a mere 1490 V/m. What is the dielectric constant of the water?

6. Dielectrics When two oppositely charged plates with a potential difference of 440,000 V are placed 5.0 cm apart with a substance called mylar between the plates, an electric field of only 2.84 MV/m results. Based on what we should expect the electric field to be if there were no mylar between the plates, what must the dielectric constant of mylar be?